:root {
      --blue-950: #0b2f4d;
      --blue-900: #0f3f66;
      --blue-700: #1f6f9f;
      --blue-500: #49a7d8;
      --blue-100: #eaf7fd;
      --blue-50: #f5fbfe;
      --green-600: #21856f;
      --ink: #1d2935;
      --muted: #607080;
      --line: #d9edf6;
      --white: #ffffff;
      --shadow: 0 16px 40px rgba(15, 63, 102, 0.11);
      --radius: 14px;
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: Arial, sans-serif;
      color: var(--ink);
      background: var(--white);
      line-height: 1.65;
    }

    a { color: inherit; text-decoration: none; }

    .container {
      width: min(1120px, calc(100% - 32px));
      margin: 0 auto;
    }

    .topbar {
      background: var(--blue-900);
      color: var(--white);
      font-size: 14px;
    }

    .topbar-inner {
      min-height: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(255, 255, 255, 0.96);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(12px);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      min-width: 250px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .brand-logo {
      width: 44px;
      height: 44px;
      border-radius: 6px;
      object-fit: contain;
      background: #06151e;
      padding: 4px;
      flex: 0 0 auto;
    }

    .brand strong {
      display: block;
      color: var(--blue-900);
      font-size: 18px;
      line-height: 1.2;
    }

    .brand span span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      margin-top: 3px;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 22px;
      color: #405466;
      font-size: 14px;
      white-space: nowrap;
    }

    .nav a,
    .nav summary {
      color: #405466;
      font: inherit;
      cursor: pointer;
    }

    .nav a:hover,
    .nav summary:hover,
    .nav a:focus-visible,
    .nav summary:focus-visible { color: var(--blue-700); outline: none; }

    .nav details { position: relative; }
    .nav summary { list-style: none; }
    .nav summary::-webkit-details-marker { display: none; }
    .nav summary::after { content: "▾"; font-size: 11px; margin-left: 6px; }

    .dropdown {
      position: absolute;
      top: calc(100% + 14px);
      left: 0;
      width: 180px;
      padding: 8px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: var(--white);
      box-shadow: var(--shadow);
      display: grid;
      gap: 4px;
    }

    .dropdown a {
      display: block;
      padding: 10px 12px;
      border-radius: 9px;
    }

    .dropdown a:hover { background: var(--blue-50); }

    .menu-toggle { display: none; }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 11px 18px;
      border-radius: 999px;
      border: 1px solid var(--blue-700);
      background: var(--blue-700);
      color: var(--white);
      font-weight: 700;
      font-size: 14px;
      transition: 220ms ease;
    }

    .button:hover,
    .button:focus-visible {
      transform: translateY(-1px);
      background: var(--blue-900);
      border-color: var(--blue-900);
      outline: none;
    }

    .button-soft {
      background: var(--white);
      color: var(--blue-900);
      border-color: var(--line);
    }

    .button-soft:hover,
    .button-soft:focus-visible {
      color: var(--white);
      border-color: var(--blue-700);
      background: var(--blue-700);
    }

    .breadcrumb {
      padding: 18px 0;
      font-size: 14px;
      color: var(--muted);
      background: var(--blue-50);
      border-bottom: 1px solid var(--line);
    }

    .breadcrumb ol {
      padding: 0;
      margin: 0;
      list-style: none;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .breadcrumb li:not(:last-child)::after {
      content: "/";
      margin-left: 8px;
      color: #9db5c4;
    }

    .breadcrumb a { color: var(--blue-900); }

    .hero {
      padding: 72px 0;
      background: linear-gradient(135deg, #f5fbfe 0%, #ffffff 62%, #eaf7fd 100%);
      border-bottom: 1px solid var(--line);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

    .eyebrow {
      color: var(--green-600);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
    }

    h1, h2, h3, p { margin-top: 0; }

    h1 {
      margin-bottom: 16px;
      color: var(--blue-950);
      font-size: clamp(36px, 5vw, 58px);
      line-height: 1.06;
      letter-spacing: 0;
    }

    h2 {
      margin-bottom: 14px;
      color: var(--blue-950);
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.18;
      letter-spacing: 0;
    }

    h3 {
      color: var(--blue-900);
      margin-bottom: 8px;
      font-size: 19px;
      line-height: 1.3;
      letter-spacing: 0;
    }

    .subheading {
      color: var(--blue-700);
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .lead {
      color: #3d4f60;
      font-size: 18px;
      max-width: 740px;
    }

    .hero-actions,
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .hero-media {
      border-radius: 22px;
      overflow: hidden;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      background: var(--white);
      min-height: 330px;
      display: grid;
      place-items: center;
      padding: 22px;
    }

    .hero-media img {
      width: 100%;
      max-height: 360px;
      object-fit: contain;
    }

    .prp-summary {
      position: relative;
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
      margin-top: 28px;
    }

    .prp-summary::before {
      content: "";
      position: absolute;
      left: 6%;
      right: 6%;
      top: 34px;
      height: 3px;
      border-radius: 999px;
      background: linear-gradient(90deg, #38a3c8, #62b88f, #e6b84c, #21856f);
      opacity: 0.24;
    }

    .summary-card {
      position: relative;
      z-index: 1;
      min-height: 150px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.94);
      box-shadow: 0 8px 24px rgba(15, 63, 102, 0.06);
      transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
    }

    .summary-card:hover {
      transform: translateY(-5px);
      border-color: var(--step-color, var(--blue-500));
      box-shadow: var(--shadow);
    }

    .summary-card span,
    .card-icon,
    .step-number {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      border-radius: 50%;
      background: var(--step-color, var(--blue-500));
      color: var(--white);
      font-weight: 800;
      box-shadow: 0 0 0 8px rgba(73, 167, 216, 0.14);
      animation: iconBreath 2800ms ease-in-out infinite;
      transition: transform 220ms ease, box-shadow 220ms ease;
    }

    .summary-card:hover span,
    .card:hover .card-icon,
    .card:focus-within .card-icon,
    .card:hover .step-number,
    .card:focus-within .step-number {
      transform: translateY(-2px) scale(1.08);
      box-shadow: 0 0 0 12px rgba(73, 167, 216, 0.16);
    }

    .summary-card p {
      color: var(--muted);
      margin: 0;
    }

    .summary-card:nth-child(1) { --step-color: #38a3c8; }
    .summary-card:nth-child(2) { --step-color: #62b88f; }
    .summary-card:nth-child(3) { --step-color: #e6b84c; }
    .summary-card:nth-child(4) { --step-color: #21856f; }

    @keyframes iconBreath {
      0%, 100% { filter: saturate(1); }
      50% { filter: saturate(1.14); }
    }

    .section { padding: 72px 0; }
    .section-soft { background: var(--blue-50); }

    .section-head {
      max-width: 820px;
      margin-bottom: 30px;
    }

    .section-head p,
    .text-block p,
    .note p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .grid {
      display: grid;
      gap: 18px;
    }

    .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .grid-auto { grid-template-columns: repeat(4, minmax(0, 1fr)); }

    .card {
      position: relative;
      height: 100%;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--white);
      box-shadow: 0 8px 24px rgba(15, 63, 102, 0.06);
      overflow: hidden;
      transition: transform 240ms ease, box-shadow 240ms ease, border-color 240ms ease;
    }

    .card::after {
      content: "";
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 0;
      height: 4px;
      border-radius: 999px 999px 0 0;
      background: var(--card-accent, var(--blue-500));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 240ms ease;
    }

    .card:hover,
    .card:focus-within {
      transform: translateY(-5px);
      border-color: var(--card-accent, var(--blue-700));
      box-shadow: var(--shadow);
    }

    .card:hover::after,
    .card:focus-within::after {
      transform: scaleX(1);
    }

    .card:hover h3 { color: var(--blue-700); }

    .card:nth-child(4n+1) { --card-accent: #38a3c8; --step-color: #38a3c8; }
    .card:nth-child(4n+2) { --card-accent: #62b88f; --step-color: #62b88f; }
    .card:nth-child(4n+3) { --card-accent: #e6b84c; --step-color: #e6b84c; }
    .card:nth-child(4n+4) { --card-accent: #e58055; --step-color: #e58055; }

    .card p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .badge {
      display: inline-flex;
      margin-bottom: 12px;
      padding: 5px 10px;
      border-radius: 999px;
      background: var(--blue-100);
      color: var(--blue-900);
      font-size: 12px;
      font-weight: 800;
    }

    .card ul,
    .checklist {
      padding: 0;
      margin: 14px 0 0;
      list-style: none;
      display: grid;
      gap: 8px;
    }

    .card li,
    .checklist li {
      color: #465a69;
      position: relative;
      padding-left: 22px;
      transition: transform 180ms ease, color 180ms ease, background 180ms ease;
    }

    .checklist li {
      padding-top: 5px;
      padding-bottom: 5px;
      padding-right: 8px;
      border-radius: 8px;
    }

    .checklist li:hover {
      transform: translateX(4px);
      color: var(--blue-900);
      background: rgba(234, 247, 253, 0.72);
    }

    .card li::before,
    .checklist li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 11px;
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--blue-500);
    }

    .card-link {
      display: inline-flex;
      margin-top: 16px;
      color: var(--blue-900);
      font-weight: 800;
    }

    .card-link:hover,
    .card-link:focus-visible { color: var(--blue-700); outline: none; }

    .text-block {
      max-width: 900px;
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: var(--white);
      box-shadow: 0 8px 24px rgba(15, 63, 102, 0.06);
    }

    .note {
      padding: 26px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: var(--blue-50);
    }

    .note ul { margin: 16px 0 0; }

    .timeline {
      position: relative;
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 16px;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 6%;
      right: 6%;
      top: 34px;
      height: 3px;
      border-radius: 999px;
      background: linear-gradient(90deg, #38a3c8, #62b88f, #e6b84c, #e58055, #21856f);
      opacity: 0.24;
    }

    .timeline .card {
      z-index: 1;
    }

    .comparison {
      display: grid;
      max-width: 1080px;
      border: 1px solid var(--line);
      border-radius: 20px;
      background: var(--white);
      overflow: hidden;
      box-shadow: 0 12px 32px rgba(15, 63, 102, 0.07);
    }

    .comparison-header,
    .comparison-row {
      display: grid;
      grid-template-columns: minmax(170px, 0.72fr) repeat(2, minmax(0, 1fr));
    }

    .comparison-header {
      background: linear-gradient(135deg, var(--blue-900), #126f79);
      color: var(--white);
      font-weight: 800;
    }

    .comparison-header div {
      padding: 16px 20px;
      border-right: 1px solid rgba(255, 255, 255, 0.18);
    }

    .comparison-header div:last-child {
      border-right: 0;
    }

    .comparison-row {
      border-top: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.9);
      transition: background 180ms ease, transform 180ms ease;
    }

    .comparison-row:hover {
      background: rgba(234, 247, 253, 0.72);
      transform: translateY(-2px);
    }

    .comparison-cell {
      position: relative;
      min-height: 108px;
      padding: 18px 20px 18px 24px;
      border-right: 1px solid var(--line);
      color: var(--muted);
      line-height: 1.65;
      transition: color 180ms ease;
    }

    .comparison-cell:last-child {
      border-right: 0;
    }

    .comparison-cell::before {
      content: "";
      position: absolute;
      inset: 18px auto 18px 0;
      width: 5px;
      border-radius: 999px;
      background: var(--compare-color, var(--blue-500));
    }

    .comparison-cell.criteria {
      --compare-color: transparent;
      background: rgba(234, 247, 253, 0.54);
      color: var(--blue-900);
      font-weight: 800;
    }

    .comparison-cell.prp { --compare-color: #38a3c8; }
    .comparison-cell.ha { --compare-color: #62b88f; }

    .compare-label {
      display: none;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(234, 247, 253, 0.9);
      color: var(--blue-900);
      margin-bottom: 10px;
      font-size: 13px;
      font-weight: 800;
    }

    .comparison-cell.criteria .compare-label {
      display: none;
    }

    .comparison-row:hover .comparison-cell {
      color: var(--text);
    }

    .faq-list {
      display: grid;
      gap: 12px;
      max-width: 900px;
    }

    details.faq {
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--white);
      box-shadow: 0 8px 24px rgba(15, 63, 102, 0.05);
    }

    details.faq summary {
      cursor: pointer;
      padding: 18px 20px;
      color: var(--blue-950);
      font-weight: 800;
      list-style: none;
    }

    details.faq summary::-webkit-details-marker { display: none; }
    details.faq summary::after {
      content: "+";
      float: right;
      color: var(--blue-700);
      transition: transform 180ms ease;
    }
    details.faq[open] summary::after {
      content: "-";
      transform: rotate(180deg);
    }
    details.faq p { padding: 0 20px 20px; color: var(--muted); margin: 0; }

    details.faq[open] p {
      animation: faqSlide 220ms ease;
    }

    @keyframes faqSlide {
      from { opacity: 0; transform: translateY(-6px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 520ms ease, transform 520ms ease;
      transition-delay: var(--delay, 0ms);
    }

    .reveal.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    .cta {
      padding: 52px;
      border-radius: 24px;
      background: var(--blue-900);
      color: var(--white);
    }

    .cta h2 { color: var(--white); }
    .cta p { color: rgba(255, 255, 255, 0.84); max-width: 760px; }

    footer {
      padding: 28px 0;
      background: var(--blue-950);
      color: rgba(255, 255, 255, 0.82);
      font-size: 14px;
    }

    @media (max-width: 980px) {
      .topbar-inner { align-items: flex-start; flex-direction: column; padding: 10px 0; }
      .header-inner { flex-wrap: wrap; padding: 14px 0; }
      .menu-toggle {
        display: inline-flex;
        border: 1px solid var(--line);
        background: var(--white);
        border-radius: 10px;
        padding: 9px 12px;
        color: var(--blue-900);
        font-weight: 800;
      }
      .nav {
        width: 100%;
        display: none;
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        padding: 10px 0 0;
      }
      .nav.is-open { display: flex; }
      .nav a, .nav summary { padding: 11px 0; }
      .dropdown {
        position: static;
        width: 100%;
        box-shadow: none;
        margin: 0 0 8px;
      }
      .hero-grid { grid-template-columns: 1fr; }
      .hero { padding: 48px 0; }
      .grid-auto, .grid-4, .grid-3, .timeline, .prp-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .prp-summary::before,
      .timeline::before { display: none; }
      .comparison {
        gap: 14px;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
      }
      .comparison-header {
        display: none;
      }
      .comparison-row {
        grid-template-columns: 1fr;
        border: 1px solid var(--line);
        border-radius: 18px;
        overflow: hidden;
        box-shadow: 0 10px 26px rgba(15, 63, 102, 0.06);
      }
      .comparison-cell {
        min-height: auto;
        border-right: 0;
        border-top: 1px solid var(--line);
      }
      .comparison-cell:first-child {
        border-top: 0;
      }
      .comparison-cell .compare-label,
      .comparison-cell.criteria .compare-label {
        display: inline-flex;
      }
    }

    @media (max-width: 640px) {
      .container { width: min(100% - 24px, 1120px); }
      .brand { min-width: 0; }
      .brand strong { font-size: 16px; }
      .hero-actions, .cta-actions { flex-direction: column; }
      .button { width: 100%; }
      .section { padding: 52px 0; }
      .grid-2, .grid-3, .grid-4, .grid-auto, .timeline, .prp-summary { grid-template-columns: 1fr; }
      .cta { padding: 30px 22px; border-radius: 18px; }
      .hero-media { min-height: 240px; }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
      }

      .reveal {
        opacity: 1;
        transform: none;
      }
    }